Black Sands, HI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Sands, a community in Hawaii County, Hawaii.
Overnight
71°F
Scattered Rain Showers
Scattered rain showers. Mostly cloudy, with a low around 71. North wind around 14 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.
7-day forecast for Black Sands
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Scattered Rain Showers | 14 mph N | 30% |
| Saturday | 78°F | Isolated Rain Showers | 17 mph NNE | 22% |
| Saturday Night | 72°F | Scattered Rain Showers | 14 mph NNE | 32% |
| Sunday | 80°F | Isolated Rain Showers then Mostly Sunny | 18 mph NE | 20% |
| Sunday Night | 72°F | Scattered Rain Showers | 17 mph NNE | 42% |
| Monday | 80°F | Scattered Rain Showers | 17 mph NNE | 42% |
| Monday Night | 72°F | Occasional Rain Showers | 14 mph N | 77% |
| Tuesday | 79°F | Occasional Rain Showers | 16 mph NNE | 76% |
| Tuesday Night | 72°F | Chance Rain Showers | 14 mph N | 68% |
| Wednesday | 78°F | Chance Rain Showers | 14 mph NE | 62% |
| Wednesday Night | 72°F | Chance Rain Showers | 13 mph NNE | 64% |
| Thursday | 77°F | Chance Rain Showers | 12 mph NNE | 60% |
| Thursday Night | 71°F | Scattered Rain Showers | 18 mph NNE | 50% |
| Friday | 77°F | Scattered Rain Showers | 14 to 17 mph ENE | 41% |
Forecast source: National Weather Service (api.weather.gov) for Black Sands (19.414, -154.959). Updated through the day.
Growing snapshot for Black Sands
Growing season
365 days
More local growing data for Black Sands: nearby ZIP 96778 weather · frost dates · planting calendar · Hawaii frost dates
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Climate data from the nearest NOAA station, Glenwood #2 55.4, Hi (7.2 mi from Black Sands). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.